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Tony Leukering

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Everything posted by Tony Leukering

  1. Yes, I'd prefer to have photo showing the folded wing tip well and well lit. This bird's wing tip is in shadow in the good perpendicular photo. There is a distinct difference in wing-tip shape between the two species.
  2. I asked because juveniles of the various Myiarchus have different tail patterns than do older birds. If this were definitively not a juvenile, then it must be Brown-crested. If it's not....
  3. The gull seems to have pink legs. Forster's Tern is distinctive in its well-defined black eye patch.
  4. Back patterns greatly differ between snipe and dowitchers. American Kestrels don't have dark wingpits, nor white upper-tail coverts. This is a juvenile Northern Harrier.
  5. Why would you consider this a first-cycle Little Gull when that species never shows a white wedge in the wingtip and that age has a distinct black secondary bar, black tail tip, rounded wing tip, and extensively dark upper side to the wings?
  6. Juvenile Spotted Sandpipers do not have spots underneath and there are no juvenile Spotted Sandpipers at this time of year. https://cobirds.org/CFO/ColoradoBirds/InTheScope/87.pdf https://cobirds.org/CFO/ColoradoBirds/InTheScope/93.pdf Mallards -- all ages, all sexes, have white or extensively white tails. This is a Mottled Duck. https://s3.amazonaws.com/is-ebird-wordpress-prod-s3/wp-content/uploads/sites/55/eBird_Muddled_Ducks.pdf Most New World sparrows have pink legs. https://cobirds.org/CFO/ColoradoBirds/InTheScope/59.pdf
  7. Ash-throated has extensive orange coloration in the tail and a paler head.
  8. The vent color is just too bright for Say's; I'd go with Vermilion. Interesting side note: In the bird name, there is only one 'l' in 'Vermilion,' but the color name is often spelled with two, while the city in South Dakota is always spelled with two.
  9. A good photo of the tail from the top side particularly if the tail is partly spread, would be useful in species/hybrid ID.
  10. Unfortunately, there is an intervening branch/twig that goes right through the area that would be the black bar on Ruby-crowned Kinglet. However, that's what I'd guess it is, though certain ID may be impossible.
  11. Scaup are, perhaps, more readily differentiated when tucked in sleep like this than in any other posture. The peaked crown makes the ID straightforward. I'm curious why you would consider Winter Wren given the long tail, long bill, and, particularly, the location.
  12. If the pic were taken in the East, I'd have gone with Laughing for the gull. However, that species is fairly rare in central CA. I think that the bird is probably not definitively identifiable, as it's in an odd posture and poor lighting. I assume that the extreme narrowness of the wings is an artifact of the posture, but that the wings are probably still fairly narrow. I suggest California Gull as an ID, as the bill looks, perhaps, too long for that of Ring-billed. Both Caspian and Forster's terns look front-heavy like the pictured bird, but Caspian is more so than Forster's and the amount of black on the under side of the wing tip suggests against Forster's.
  13. Juvenile Cooper's Hawk -- tawny head, tail with wide, pale stripes
  14. You're also looking at different sides on the two birds, and just because they don't match, doesn't mean that the photos are not of the same bird.
  15. Eastern Bluebird has white under-tail coverts. Both Cassin's and Purple finches have the side streaking within reddish color, unlike in House Finch.
  16. The wing base is too narrow for any New World martin. I have been leaning toward Northern Rough-winged, due to long wings with narrow base, but I find the pix inconclusive.
  17. I'm just curious. If you weren't sure of the ID, what other species are/were you considering?
  18. Definitely a result of hybridization between one of the white geese and one of the white-cheeked geese species. Note the dark legs, which should rule out pure individuals of either white goose species in February. In Colorado, Snow x Cackling is more frequent than is Snow x Canada, which makes sense from a breeding perspective. That is because geese pair on breeding grounds (unlike ducks) and Cackling Goose is a tundra breeder like the two white goose species and unlike Canada Goose. Unfortunately, Lesser Canada Goose has been found to be hybridizing with, apparently, both Richardson's and Taverner's Cackling Geese, making things more problematic. Your bird's head seems large-ish and the neck long-ish, but that could be imparted by either a Snow Goose parent or a Canada Goose parent. Without a firm indication of size that would be provided by photos of the bird including some other species of goose, I am hesitant to put a name to the beast, other than eBird's "Snow/Ross's x Cackling/Canada Goose (hybrid)" category.
  19. No, it is a juvenile Red-shouldered Hawk. https://cobirds.org/CFO/ColoradoBirds/InTheScope/87.pdf
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